1. ----Directed by Xie Keyan

2. Revision global warming

3. Revision the burning of 1 a 2 called carbon dioxide the increase of temperature 6 3 4 produces leads to global warming 5 cause the burning of fossil fuels a byproduct called carbon dioxide builds up green house gases results in catastrophe human energy

5. 1. From the first letter we know Ouyang Guang is most probably a _____. A. school teacher B. schoolboy C. young parent D. newspaper boy √ Choose the best answer: Task 1

6. 2. What is Ouyang Guang’s problem? A. He finds it hard to communicate with people. B. He can not put up with the pollution around him. C. He feels that individuals can make no difference to environmental problems and asks for suggestions on his project. D. He needs some help in studying environmental problems. √

7. 3. What are the purposes of the two letters? A.To discuss the cause of global warming. B.To ask and give advice on what to do about global warming. C. To call on people to fight against global warming. D. To communicate some opinions about electrical appliances. √

8. 4. What can we do about global warming in our houses according to Earth Care? A. Do not use any electrical appliance. B. Never watch TV. C. Try to save as much electricity as possible. D. Ride a bike instead of using a car. √

9. 5. According to Earth Care, after drinking a cocacola, we should _____. A. throw the can away B. buy another one C. start working as soon as possible D. keep the can for recycling √

10. ★ Buy things made from recycled materials ★ Walk or ride a bike, don’t drive ★ Turn off electrical appliances when not using them List Earth Care ’ s suggestions Task 2 ★ Don’t turn up the heat, put on more clothes ★ Recycle ★ Buy products that use less energy ★ Talk with family and friends about global warming ★ Plant trees

11. Your suggestions 1. 2. 3. … What other things can we do to save energy in our daily life?

12. What else can we do? rubbish box × × basket clean

13. Pair work In pairs, give some suggestions and make a poster to tell your schoolmates various ways they can reduce the amount of carbon dioxide in the air. Writing

14. Main heading Aim List of your suggestions 1… 2… 3… 4… Writing Making a poster

15. Making a poster 1. Give your poster a large heading. 2. Use imperative sentences to list your suggestions. 3. Try every possible way to make your poster attractive, which is the purpose of a poster.

16. A sample poster Fight Global Warming Save energy, save yourself ★ Not using it?...Turn it off. ★ Walk or ride a bike. ★ Recycle. ★ Plant trees..….

17. Your poster

18. Assignment Design some slogans ( 标语 ) on saving energy for our school to raise our saving consciousness （ 意识）.

19. Help me, help you, help everyone. Return GREEN to the earth!